EP3855810A4 - User device and transmission power control method - Google Patents

User device and transmission power control method Download PDF

Info

Publication number
EP3855810A4
EP3855810A4 EP18933787.6A EP18933787A EP3855810A4 EP 3855810 A4 EP3855810 A4 EP 3855810A4 EP 18933787 A EP18933787 A EP 18933787A EP 3855810 A4 EP3855810 A4 EP 3855810A4
Authority
EP
European Patent Office
Prior art keywords
control method
user device
power control
transmission power
transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP18933787.6A
Other languages
German (de)
French (fr)
Other versions
EP3855810A1 (en
Inventor
Yousuke SANO
Hiromasa Umeda
Hideaki Takahashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Docomo Inc
Original Assignee
NTT Docomo Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of EP3855810A1 publication Critical patent/EP3855810A1/en
Publication of EP3855810A4 publication Critical patent/EP3855810A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/265—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the quality of service QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
EP18933787.6A 2018-09-20 2018-09-20 User device and transmission power control method Withdrawn EP3855810A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/034904 WO2020059097A1 (en) 2018-09-20 2018-09-20 User device and transmission power control method

Publications (2)

Publication Number Publication Date
EP3855810A1 EP3855810A1 (en) 2021-07-28
EP3855810A4 true EP3855810A4 (en) 2022-05-11

Family

ID=69888669

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18933787.6A Withdrawn EP3855810A4 (en) 2018-09-20 2018-09-20 User device and transmission power control method

Country Status (5)

Country Link
US (1) US20210306960A1 (en)
EP (1) EP3855810A4 (en)
JP (1) JP7142712B2 (en)
CN (1) CN112703780A (en)
WO (1) WO2020059097A1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3843346A1 (en) * 2018-08-21 2021-06-30 NTT DoCoMo, Inc. User device and transmission power control method

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
US6311070B1 (en) * 1999-03-22 2001-10-30 Nortel Networks Limited Variable step size for power control bits to protect against power overshoot
JP2007086149A (en) * 2005-09-20 2007-04-05 Mitsubishi Electric Corp Optical lens, optical system using the same, metallic mold for molding optical lens and manufacturing method of optical lens
US8145251B2 (en) * 2006-01-23 2012-03-27 Motorola Mobility, Inc. Power control in schedulable wireless communication terminal
EP2360866A1 (en) * 2010-02-12 2011-08-24 Panasonic Corporation Component carrier activation and deactivation using resource assignments
US8565205B2 (en) * 2010-11-04 2013-10-22 Qualcomm Incorporated Specific absorption rate backoff in power headroom report
US8934362B2 (en) * 2011-01-06 2015-01-13 Mediatek Inc. Power control method to mitigate interference for in-device coexistence
US9363765B2 (en) * 2012-03-19 2016-06-07 Telefonaktiebolaget L M Ericsson (Publ) Methods and apparatus for adjusting maximum output power level
WO2014021612A2 (en) * 2012-08-01 2014-02-06 엘지전자 주식회사 Method and apparatus for setting uplink transmission power in wireless communication system
EP3522669B1 (en) 2013-01-03 2021-09-08 LG Electronics Inc. Method, processor and user equipment for transmitting uplink signals in wireless communication system
WO2014182108A1 (en) * 2013-05-10 2014-11-13 주식회사 팬택 Method and apparatus for establishing and signaling maximum transmission power in wireless communication system
CN107079529B (en) * 2014-09-26 2020-06-19 夏普株式会社 Terminal device, base station device, communication method, and integrated circuit
HUE044631T2 (en) * 2014-10-07 2019-11-28 Ntt Docomo Inc User device, mobile communication system and maximum transmission power determination method
US9900843B2 (en) * 2015-01-12 2018-02-20 Qualcomm Incorporated Uplink power control techniques for ultra low latency in LTE devices
JP2018026629A (en) * 2016-08-08 2018-02-15 株式会社Ｎｔｔドコモ User device and incoming signal transmission method
US11323232B2 (en) 2016-11-14 2022-05-03 Telefonaktiebolaget Lm Ericsson (Publ) UE emission control parameter adaption under overlapping TTIs
US10439789B2 (en) * 2017-05-08 2019-10-08 Skyworks Solutions, Inc. Radio frequency communication systems with dynamic waveform control and power boost

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3843346A1 (en) * 2018-08-21 2021-06-30 NTT DoCoMo, Inc. User device and transmission power control method

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Radio Resource Control (RRC) protocol specification (Release 15)", 18 September 2018 (2018-09-18), XP051519459, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fran/WG2%5FRL2/Specifications/201809%5Fdraft%5Fspecs%5Fafter%5FRAN%5F81/Draft%5F38331%2Df30%2Ezip> [retrieved on 20180918] *
"3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; User Equipment (UE) radio transmission and reception; Part 1: Range 1 Standalone (Release 15)", 10 August 2018 (2018-08-10), XP051579891, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fran/WG4%5FRadio/TSGR4%5F88/Docs/R4%2D1810974%2Ezip> [retrieved on 20180810] *
INDIAN INSTITUTE OF TECH (M) ET AL: "CR to TS 38.101-1: pi/2 BPSK", vol. RAN WG4, no. Gothenburg, SE; 20180820 - 20180824, 29 August 2018 (2018-08-29), XP051580368, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fran/WG4%5FRadio/TSGR4%5F88/Docs/R4%2D1811493%2Ezip> [retrieved on 20180829] *
See also references of WO2020059097A1 *

Also Published As

Publication number Publication date
JP7142712B2 (en) 2022-09-27
JPWO2020059097A1 (en) 2021-08-30
WO2020059097A1 (en) 2020-03-26
EP3855810A1 (en) 2021-07-28
US20210306960A1 (en) 2021-09-30
CN112703780A (en) 2021-04-23

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